ramnit | 3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3

Analysis

max time kernel
152s
max time network
155s
platform
windows7_x64
resource
win7-20220414-en
submitted
03-07-2022 05:42

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General

Target

3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3.exe
Size

469KB
MD5

709802f0cfb676e53115189b5cd91cfc
SHA1

97027efdd9473b5f431179bc9b7ced86126cc625
SHA256

3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3
SHA512

2e7fd447ecfdb6bb53dce4e7d560881ecfbe036b5dd2c20414fb76c792653ca40a2b9774cc40ee074d3a4c0a340521bf120a93d174c3c69ce2fb562412ba951e

Score

10^/10

ramnit banker spyware stealer trojan upx worm

Malware Config

Signatures

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit

Executes dropped EXE 8 IoCs

Processes:

3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exeDesktopLayer.execaycwq.execaycwqSrv.exeDesktopLayer.exehrl3B1F.tmphrl3B1FSrv.exeDesktopLayer.exe

pid	process
1428	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe
804	DesktopLayer.exe
904	caycwq.exe
1968	caycwqSrv.exe
1640	DesktopLayer.exe
1912	hrl3B1F.tmp
1044	hrl3B1FSrv.exe
972	DesktopLayer.exe

UPX packed file 22 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe	upx
behavioral1/memory/1428-61-0x0000000000400000-0x000000000042E000-memory.dmp	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/804-68-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Windows\caycwqSrv.exe	upx
C:\Windows\caycwqSrv.exe	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1968-77-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
\Windows\Temp\hrl3B1FSrv.exe	upx
C:\Windows\Temp\hrl3B1FSrv.exe	upx
C:\Windows\TEMP\hrl3B1FSrv.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/904-97-0x0000000002810000-0x0000000002889000-memory.dmp	upx
\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral1/memory/1044-102-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx

Loads dropped DLL 7 IoCs

Processes:

3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3.exe3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.execaycwqSrv.execaycwq.exehrl3B1F.tmphrl3B1FSrv.exe

pid	process
1400	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3.exe
1428	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe
1968	caycwqSrv.exe
904	caycwq.exe
904	caycwq.exe
1912	hrl3B1F.tmp
1044	hrl3B1FSrv.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

caycwq.exe

description	ioc	process
File opened (read-only)	\??\S:	caycwq.exe
File opened (read-only)	\??\U:	caycwq.exe
File opened (read-only)	\??\W:	caycwq.exe
File opened (read-only)	\??\G:	caycwq.exe
File opened (read-only)	\??\H:	caycwq.exe
File opened (read-only)	\??\K:	caycwq.exe
File opened (read-only)	\??\M:	caycwq.exe
File opened (read-only)	\??\R:	caycwq.exe
File opened (read-only)	\??\F:	caycwq.exe
File opened (read-only)	\??\L:	caycwq.exe
File opened (read-only)	\??\N:	caycwq.exe
File opened (read-only)	\??\P:	caycwq.exe
File opened (read-only)	\??\V:	caycwq.exe
File opened (read-only)	\??\X:	caycwq.exe
File opened (read-only)	\??\Y:	caycwq.exe
File opened (read-only)	\??\E:	caycwq.exe
File opened (read-only)	\??\I:	caycwq.exe
File opened (read-only)	\??\J:	caycwq.exe
File opened (read-only)	\??\O:	caycwq.exe
File opened (read-only)	\??\Q:	caycwq.exe
File opened (read-only)	\??\T:	caycwq.exe
File opened (read-only)	\??\Z:	caycwq.exe

Drops file in System32 directory 64 IoCs

Processes:

iexplore.execaycwq.exeiexplore.exeie4uinit.exeIEXPLORE.EXE

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\favicon[3].ico	iexplore.exe
File created	C:\Windows\SysWOW64\hra864.dll	caycwq.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\DNTException\Low	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\Virtualized	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\Favorites\Links\Suggested Sites.url	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\L4IJB5AH.txt	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\KMOES3EA.txt	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\S689IBUM.txt	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{76A223F1-FAA8-11EC-82FC-726C518001C0}.dat	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\{77975193-FAA8-11EC-82FC-726C518001C0}.dat	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Feeds\FeedsStore.feedsdb-ms	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Feeds\FeedsStore.feedsdb-ms	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\favicon[1].ico	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{76A223F1-FAA8-11EC-82FC-726C518001C0}.dat	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{76A223F1-FAA8-11EC-82FC-726C518001C0}.dat	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\KO720F15.txt	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\5ZQPHJNU.txt	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Internet Explorer\imagestore\377s93u\imagestore.dat	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\Favorites\desktop.ini	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\PrivacIE\Low	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Internet Explorer\Tiles\pin-2845162440\msapplication.xml	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Feeds\{5588ACFD-6436-411B-A5CE-666AE6A92D3D}~\WebSlices~\Suggested Sites~.feed-ms	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\8BY1SYW0.txt	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Feeds\{5588ACFD-6436-411B-A5CE-666AE6A92D3D}~\WebSlices~	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\KMOES3EA.txt	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\favicon[2].ico	iexplore.exe
File created	C:\Windows\System32\config\systemprofile\Favorites\Links\Suggested Sites.url\:favicon:$DATA	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\G1AZ224C.txt	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\suggestions[1].en-US	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Internet Explorer\DomainSuggestions\en-US.1	iexplore.exe
File opened for modification	C:\Windows\System32\config\systemprofile\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	ie4uinit.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\DNTException\Low	iexplore.exe
File opened for modification	C:\Windows\System32\config\systemprofile\Favorites\Links\desktop.ini	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\1A854PCN.txt	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Internet Explorer\imagestore\377s93u\imagestore.dat	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\8BY1SYW0.txt	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\History\Low	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\IECompatCache\Low	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\History\Low	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Internet Explorer\UserData\Low	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{77975191-FAA8-11EC-82FC-726C518001C0}.dat	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\1A854PCN.txt	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\0WC01BNY.txt	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\{82A59470-FAA8-11EC-82FC-726C518001C0}.dat	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\F3L7Q2GR.txt	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\Favorites	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Internet Explorer\TabRoaming	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\Low	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\{76A223F3-FAA8-11EC-82FC-726C518001C0}.dat	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\ieonline.microsoft[1]	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\PrivacIE\Low	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\IECompatUACache\Low	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\IECompatCache\Low	iexplore.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	IEXPLORE.EXE
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\E8DTOE7X.txt	iexplore.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\favicon[1].ico	iexplore.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\Low	iexplore.exe

Drops file in Program Files directory 9 IoCs

Processes:

caycwqSrv.exe3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exehrl3B1FSrv.execaycwq.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px3489.tmp	caycwqSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	caycwqSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px3D4F.tmp	hrl3B1FSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	hrl3B1FSrv.exe
File created	C:\Program Files\7-Zip\lpk.dll	caycwq.exe
File opened for modification	C:\Program Files\7-Zip\lpk.dll	caycwq.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px2E42.tmp	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe

Drops file in Windows directory 3 IoCs

Processes:

3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3.execaycwq.exe

description	ioc	process
File opened for modification	C:\Windows\caycwq.exe	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3.exe
File created	C:\Windows\caycwqSrv.exe	caycwq.exe
File created	C:\Windows\caycwq.exe	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

caycwq.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	caycwq.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	caycwq.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "363601185"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{75E15491-FAA8-11EC-82FC-726C518001C0} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

iexplore.exeiexplore.exeIEXPLORE.EXEIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Discardable\PostSetup\Component Categories64\{00021493-0000-0000-C000-000000000046}\Enum	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	iexplore.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	iexplore.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\{B4F3A835-0E21-4959-BA22-42B3008E02FF}\iexplore	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d2-3d-2f-73-16-36	iexplore.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\FaviconPath = "C:\\Windows\\system32\\config\\systemprofile\\AppData\\LocalLow\\Microsoft\\Internet Explorer\\Services\\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico"	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\AppDataLow\Software\Microsoft\Internet Explorer	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	iexplore.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	IEXPLORE.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Discardable\PostSetup\Component Categories\{00021493-0000-0000-C000-000000000046}	IEXPLORE.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	iexplore.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Discardable\PostSetup\Component Categories64\{00021493-0000-0000-C000-000000000046}\Enum\Implementing = 1c00000001000000e607070000000300080010003500ed0102000000e11a542af65b6546a8a3cfa9672e4291644ea2ef78b0d01189e400c04fc9e26e	iexplore.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	iexplore.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}\iexplore\Time = e607070000000300080010003000df02	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Discardable\PostSetup\Component Categories\{00021493-0000-0000-C000-000000000046}\Enum	IEXPLORE.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software	IEXPLORE.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	IEXPLORE.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\AppDataLow\Software	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Feeds	iexplore.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\SearchScopes\KnownProvidersUpgradeTime = d0886645b58ed801	iexplore.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}\Flags = "1024"	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	IEXPLORE.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Discardable\PostSetup\Component Categories	IEXPLORE.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	iexplore.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "363601179"	iexplore.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}\iexplore\Type = "3"	iexplore.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6D6029F8-E96C-44DF-8D85-CFA520C9AF43}\WpadNetworkName = "Network 3"	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\AppDataLow	iexplore.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}\iexplore\Time = e607070000000300080011000000f201	iexplore.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\FaviconPath = "C:\\Windows\\system32\\config\\systemprofile\\AppData\\LocalLow\\Microsoft\\Internet Explorer\\Services\\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico"	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\windows\CurrentVersion\Internet Settings\Zones	iexplore.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}\iexplore\Blocked = "2"	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	IEXPLORE.EXE
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}\iexplore	iexplore.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Discardable\PostSetup\Component Categories\{00021494-0000-0000-C000-000000000046}\Enum\Implementing = 1c00000001000000e607070000000300080010003200ca0000000000	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\DisplayName = "Bing"	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	iexplore.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000003000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Discardable\PostSetup\Component Categories\{00021494-0000-0000-C000-000000000046}	IEXPLORE.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\MenuOrder\Favorites\Links	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}\iexplore\Count = "1"	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}\iexplore	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Discardable\PostSetup	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d2-3d-2f-73-16-36\WpadDecisionReason = "1"	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\AppDataLow	iexplore.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer	iexplore.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

DesktopLayer.exeDesktopLayer.exeDesktopLayer.exe

pid	process
804	DesktopLayer.exe
804	DesktopLayer.exe
804	DesktopLayer.exe
804	DesktopLayer.exe
1640	DesktopLayer.exe
1640	DesktopLayer.exe
1640	DesktopLayer.exe
1640	DesktopLayer.exe
972	DesktopLayer.exe
972	DesktopLayer.exe
972	DesktopLayer.exe
972	DesktopLayer.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3.exe

pid process

1400 3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3.exe

Suspicious use of FindShellTrayWindow 17 IoCs

Processes:

iexplore.exeiexplore.exeiexplore.exe

pid	process
1532	iexplore.exe
580	iexplore.exe
952	iexplore.exe
1532	iexplore.exe
580	iexplore.exe
1532	iexplore.exe
580	iexplore.exe
1532	iexplore.exe
1532	iexplore.exe
1532	iexplore.exe
580	iexplore.exe
580	iexplore.exe
580	iexplore.exe
580	iexplore.exe
580	iexplore.exe
1532	iexplore.exe
1532	iexplore.exe

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

iexplore.exeiexplore.exeiexplore.exeIEXPLORE.EXEIEXPLORE.EXEIEXPLORE.EXE

pid	process
952	iexplore.exe
952	iexplore.exe
580	iexplore.exe
580	iexplore.exe
1532	iexplore.exe
1532	iexplore.exe
1344	IEXPLORE.EXE
1344	IEXPLORE.EXE
1352	IEXPLORE.EXE
1352	IEXPLORE.EXE
1348	IEXPLORE.EXE
1348	IEXPLORE.EXE
1352	IEXPLORE.EXE
1352	IEXPLORE.EXE
1348	IEXPLORE.EXE
1348	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 55 IoCs

Processes:

3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3.exe3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exeDesktopLayer.execaycwq.execaycwqSrv.exeDesktopLayer.exeiexplore.exehrl3B1F.tmphrl3B1FSrv.exeDesktopLayer.exeiexplore.exeiexplore.exe

description	pid	process	target process
PID 1400 wrote to memory of 1428	1400	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3.exe	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe
PID 1400 wrote to memory of 1428	1400	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3.exe	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe
PID 1400 wrote to memory of 1428	1400	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3.exe	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe
PID 1400 wrote to memory of 1428	1400	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3.exe	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe
PID 1428 wrote to memory of 804	1428	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe	DesktopLayer.exe
PID 1428 wrote to memory of 804	1428	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe	DesktopLayer.exe
PID 1428 wrote to memory of 804	1428	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe	DesktopLayer.exe
PID 1428 wrote to memory of 804	1428	3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe	DesktopLayer.exe
PID 804 wrote to memory of 952	804	DesktopLayer.exe	iexplore.exe
PID 804 wrote to memory of 952	804	DesktopLayer.exe	iexplore.exe
PID 804 wrote to memory of 952	804	DesktopLayer.exe	iexplore.exe
PID 804 wrote to memory of 952	804	DesktopLayer.exe	iexplore.exe
PID 904 wrote to memory of 1968	904	caycwq.exe	caycwqSrv.exe
PID 904 wrote to memory of 1968	904	caycwq.exe	caycwqSrv.exe
PID 904 wrote to memory of 1968	904	caycwq.exe	caycwqSrv.exe
PID 904 wrote to memory of 1968	904	caycwq.exe	caycwqSrv.exe
PID 1968 wrote to memory of 1640	1968	caycwqSrv.exe	DesktopLayer.exe
PID 1968 wrote to memory of 1640	1968	caycwqSrv.exe	DesktopLayer.exe
PID 1968 wrote to memory of 1640	1968	caycwqSrv.exe	DesktopLayer.exe
PID 1968 wrote to memory of 1640	1968	caycwqSrv.exe	DesktopLayer.exe
PID 1640 wrote to memory of 580	1640	DesktopLayer.exe	iexplore.exe
PID 1640 wrote to memory of 580	1640	DesktopLayer.exe	iexplore.exe
PID 1640 wrote to memory of 580	1640	DesktopLayer.exe	iexplore.exe
PID 1640 wrote to memory of 580	1640	DesktopLayer.exe	iexplore.exe
PID 580 wrote to memory of 1656	580	iexplore.exe	ie4uinit.exe
PID 580 wrote to memory of 1656	580	iexplore.exe	ie4uinit.exe
PID 580 wrote to memory of 1656	580	iexplore.exe	ie4uinit.exe
PID 904 wrote to memory of 1912	904	caycwq.exe	hrl3B1F.tmp
PID 904 wrote to memory of 1912	904	caycwq.exe	hrl3B1F.tmp
PID 904 wrote to memory of 1912	904	caycwq.exe	hrl3B1F.tmp
PID 904 wrote to memory of 1912	904	caycwq.exe	hrl3B1F.tmp
PID 1912 wrote to memory of 1044	1912	hrl3B1F.tmp	hrl3B1FSrv.exe
PID 1912 wrote to memory of 1044	1912	hrl3B1F.tmp	hrl3B1FSrv.exe
PID 1912 wrote to memory of 1044	1912	hrl3B1F.tmp	hrl3B1FSrv.exe
PID 1912 wrote to memory of 1044	1912	hrl3B1F.tmp	hrl3B1FSrv.exe
PID 1044 wrote to memory of 972	1044	hrl3B1FSrv.exe	DesktopLayer.exe
PID 1044 wrote to memory of 972	1044	hrl3B1FSrv.exe	DesktopLayer.exe
PID 1044 wrote to memory of 972	1044	hrl3B1FSrv.exe	DesktopLayer.exe
PID 1044 wrote to memory of 972	1044	hrl3B1FSrv.exe	DesktopLayer.exe
PID 972 wrote to memory of 1532	972	DesktopLayer.exe	iexplore.exe
PID 972 wrote to memory of 1532	972	DesktopLayer.exe	iexplore.exe
PID 972 wrote to memory of 1532	972	DesktopLayer.exe	iexplore.exe
PID 972 wrote to memory of 1532	972	DesktopLayer.exe	iexplore.exe
PID 952 wrote to memory of 1352	952	iexplore.exe	IEXPLORE.EXE
PID 952 wrote to memory of 1352	952	iexplore.exe	IEXPLORE.EXE
PID 952 wrote to memory of 1352	952	iexplore.exe	IEXPLORE.EXE
PID 952 wrote to memory of 1352	952	iexplore.exe	IEXPLORE.EXE
PID 580 wrote to memory of 1344	580	iexplore.exe	IEXPLORE.EXE
PID 580 wrote to memory of 1344	580	iexplore.exe	IEXPLORE.EXE
PID 580 wrote to memory of 1344	580	iexplore.exe	IEXPLORE.EXE
PID 580 wrote to memory of 1344	580	iexplore.exe	IEXPLORE.EXE
PID 1532 wrote to memory of 1348	1532	iexplore.exe	IEXPLORE.EXE
PID 1532 wrote to memory of 1348	1532	iexplore.exe	IEXPLORE.EXE
PID 1532 wrote to memory of 1348	1532	iexplore.exe	IEXPLORE.EXE
PID 1532 wrote to memory of 1348	1532	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3.exe
"C:\Users\Admin\AppData\Local\Temp\3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1400

C:\Users\Admin\AppData\Local\Temp\3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe
C:\Users\Admin\AppData\Local\Temp\3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1428

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:804

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:952

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:952 CREDAT:275457 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1352

C:\Windows\caycwq.exe
C:\Windows\caycwq.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:904

C:\Windows\caycwqSrv.exe
C:\Windows\caycwqSrv.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1968

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1640

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:580

C:\Windows\System32\ie4uinit.exe
"C:\Windows\System32\ie4uinit.exe" -ShowQLIcon
5⤵
- Drops file in System32 directory
PID:1656

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:580 CREDAT:340993 /prefetch:2
5⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1344

C:\Windows\TEMP\hrl3B1F.tmp
C:\Windows\TEMP\hrl3B1F.tmp
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1912

C:\Windows\TEMP\hrl3B1FSrv.exe
C:\Windows\TEMP\hrl3B1FSrv.exe
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1044

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:972

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1532

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1532 CREDAT:275457 /prefetch:2
6⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1348

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\L50TZFUX.txt
Filesize
608B

MD5
e5674237e015bb33fc38e6ee95abff57

SHA1
2585e0bac798082f6a9ff3a5c2bed1d63b0dd393

SHA256
ee3b4acad94089468291300aa0b682bd24db3a28b48d2f0d7cf8f8c69685506a

SHA512
ba59b3b73763a0eb44e1b303138627030902374062d243f4fd53439df81b1fa277daa82e610a4790a8a4d2cdb927a23320aeb9cac4984fabd8380a70b5e6768e

Download Submit
C:\Windows\System32\config\systemprofile\Favorites\desktop.ini
Filesize
402B

MD5
881dfac93652edb0a8228029ba92d0f5

SHA1
5b317253a63fecb167bf07befa05c5ed09c4ccea

SHA256
a45e345556901cd98b9bf8700b2a263f1da2b2e53dbdf69b9e6cfab6e0bd3464

SHA512
592b24deb837d6b82c692da781b8a69d9fa20bbaa3041d6c651839e72f45ac075a86cb967ea2df08fa0635ae28d6064a900f5d15180b9037bb8ba02f9e8e1810

Download Submit
C:\Windows\TEMP\hrl3B1FSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Windows\Temp\hrl3B1F.tmp
Filesize
469KB

MD5
709802f0cfb676e53115189b5cd91cfc

SHA1
97027efdd9473b5f431179bc9b7ced86126cc625

SHA256
3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3

SHA512
2e7fd447ecfdb6bb53dce4e7d560881ecfbe036b5dd2c20414fb76c792653ca40a2b9774cc40ee074d3a4c0a340521bf120a93d174c3c69ce2fb562412ba951e

Download Submit
C:\Windows\Temp\hrl3B1FSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Windows\caycwq.exe
Filesize
469KB

MD5
709802f0cfb676e53115189b5cd91cfc

SHA1
97027efdd9473b5f431179bc9b7ced86126cc625

SHA256
3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3

SHA512
2e7fd447ecfdb6bb53dce4e7d560881ecfbe036b5dd2c20414fb76c792653ca40a2b9774cc40ee074d3a4c0a340521bf120a93d174c3c69ce2fb562412ba951e

Download Submit
C:\Windows\caycwq.exe
Filesize
469KB

MD5
709802f0cfb676e53115189b5cd91cfc

SHA1
97027efdd9473b5f431179bc9b7ced86126cc625

SHA256
3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3

SHA512
2e7fd447ecfdb6bb53dce4e7d560881ecfbe036b5dd2c20414fb76c792653ca40a2b9774cc40ee074d3a4c0a340521bf120a93d174c3c69ce2fb562412ba951e

Download Submit
C:\Windows\caycwqSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Windows\caycwqSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
Filesize
4KB

MD5
da597791be3b6e732f0bc8b20e38ee62

SHA1
1125c45d285c360542027d7554a5c442288974de

SHA256
5b2c34b3c4e8dd898b664dba6c3786e2ff9869eff55d673aa48361f11325ed07

SHA512
d8dc8358727590a1ed74dc70356aedc0499552c2dc0cd4f7a01853dd85ceb3aead5fbdc7c75d7da36db6af2448ce5abdff64cebdca3533ecad953c061a9b338e

Download Submit
C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{76A223F1-FAA8-11EC-82FC-726C518001C0}.dat
Filesize
3KB

MD5
2e508482da3cda475810663dfbd97b6e

SHA1
68cfaf145c5307e1206223352c5401009cf4df7a

SHA256
447e89a3495d756948c3a60c5a4fc300f480009cd7789fa0e6b9a51a17faec69

SHA512
c899dcd99a7e2448300afcef0d1824468a6c96035f8d065e6da79512b42f08b9d024849d050d0c08467bfd30c7b1eebf95134f65f9e21849844b8ce8ac8bb6c7

Download Submit
C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{77975191-FAA8-11EC-82FC-726C518001C0}.dat
Filesize
3KB

MD5
b033770aa2a8e5e6fa695ee6da1d885b

SHA1
bd220b2a5855d7ff8836f8f06613071cc7c17da4

SHA256
cd590552fbcbba21374d08683f42945012198504700959df91bf39f363fb73e0

SHA512
01e62827a3a06905a13c21666af80be45b6adbb66fec11639769db6e268f96f02bf50dc636dc9714a8fc7fb5c34ff7b48f44926103265dd3114e9dbc4b68f495

Download Submit
\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Users\Admin\AppData\Local\Temp\3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Windows\SysWOW64\hra8.dll
Filesize
482KB

MD5
c557b3eb2cfc0f897ef106d909e8fcd1

SHA1
edb013dcd2071f87529de64c13eb8cf8c8c9cd94

SHA256
1277b91193b0d5271a6030d0a1dcc23de6f497120a6e73549d4996009fa92e58

SHA512
8e6d9c3b69d3703763cadaa47147865d801cdbe952f36ebc6b1764bdc4a32267d017fa7eccdd846da8a2496d2e30b4d9487c06a3db4b7bc70f8a874b65c7869d

Download Submit
\Windows\Temp\hrl3B1F.tmp
Filesize
469KB

MD5
709802f0cfb676e53115189b5cd91cfc

SHA1
97027efdd9473b5f431179bc9b7ced86126cc625

SHA256
3cabd6b4edbffa940ed1080ab93015ed89a5d1ab228e5008677de63dbd2fbbe3

SHA512
2e7fd447ecfdb6bb53dce4e7d560881ecfbe036b5dd2c20414fb76c792653ca40a2b9774cc40ee074d3a4c0a340521bf120a93d174c3c69ce2fb562412ba951e

Download Submit
\Windows\Temp\hrl3B1FSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/804-64-0x0000000000000000-mapping.dmp

Download
memory/804-68-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/904-81-0x0000000000480000-0x00000000004AE000-memory.dmp

Filesize
184KB

Download
memory/904-107-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/904-80-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/904-97-0x0000000002810000-0x0000000002889000-memory.dmp

Filesize
484KB

Download
memory/972-98-0x0000000000000000-mapping.dmp

Download
memory/1044-100-0x00000000001C0000-0x00000000001CF000-memory.dmp

Filesize
60KB

Download
memory/1044-102-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1044-91-0x0000000000000000-mapping.dmp

Download
memory/1400-60-0x00000000002D0000-0x00000000002FE000-memory.dmp

Filesize
184KB

Download
memory/1400-59-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1428-62-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/1428-61-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1428-57-0x0000000075E41000-0x0000000075E43000-memory.dmp

Filesize
8KB

Download
memory/1428-55-0x0000000000000000-mapping.dmp

Download
memory/1640-75-0x0000000000000000-mapping.dmp

Download
memory/1656-82-0x0000000000000000-mapping.dmp

Download
memory/1656-84-0x000007FEFB851000-0x000007FEFB853000-memory.dmp

Filesize
8KB

Download
memory/1912-94-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1912-88-0x0000000000000000-mapping.dmp

Download
memory/1968-77-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1968-70-0x0000000000000000-mapping.dmp

Download